Chemical Imaging of the Spatial Distribution and Interactions of Tannin Dispersal in Bioplastic Systems

Abstract:

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IR chemical imaging has been used to characterise the dispersion of condensed tannin additives in a biodegradable plastic, poly(butylene succinate). By mapping key FTIR absorptions, acetylated tannin was found to remain in discrete aggregates, though the outer of these particles contained a mixed phase with PBS. In particles >100 μm, PBS does not appear to ingress the tannin core, only wetting the outer region. Analysis of a second tannin derivative indicated that there was a more uniform dispersion of the additive in the PBS matrix.

Info:

Periodical:

Advanced Materials Research (Volumes 29-30)

Edited by:

Deliang Zhang, Kim Pickering, Brian Gabbitas, Peng Cao, Alan Langdon, Rob Torrens and Johan Verbeek

Pages:

173-176

DOI:

10.4028/www.scientific.net/AMR.29-30.173

Citation:

M. Gaugler et al., "Chemical Imaging of the Spatial Distribution and Interactions of Tannin Dispersal in Bioplastic Systems", Advanced Materials Research, Vols. 29-30, pp. 173-176, 2007

Online since:

November 2007

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Price:

$35.00

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